A brain tumor is tissue mass that is formed by abnormal cells, defines WebMD. Tumors do not die like normal cells do. Brain tumors can be both noncancerous or malignant. Cancerous brain tumors grow faster than noncancerous ones, and they attack surrounding tissue.
Mayo Clinic indicates primary brain tumors are caused by normal cells that mutate to form a mass of abnormal cells in the brain. Secondary brain tumors are more common, and these types of tumors form after cancer from another part of the body spreads to the brain.
A brain bleed, more commonly known as a brain hemorrhage, is localized bleeding that occurs from an artery bursting in the brain. A brain bleed is considered a type of stroke and is responsible for approximately 13 percent of all strokes, reports WebMD.
Most brain tumors are treated through a combination of surgery, chemotherapy and radiation therapy, according to UCSF Medical Center. Brain tumors are treated differently depending upon the size and the location of the tumor as well as whether or not the tumor is cancer...
Symptoms of a brain tumor include unexplained nausea or vomiting, changes in behavior or personality, headaches that gradually increase in frequency and severity, and new onset or change in pattern of headaches, according to Mayo Clinic. Brain tumors may also cause visi...
As of 2015, the primary cause of brain tumors is unknown, but risk factors include radiation treatments and genetic diseases, such as neurofibromatosis and Turcot syndrome, states Healthline. It is rare for brain tumors to occur frequently in a family.
Some types of primary brain tumors include astrocytomas, oligodendrogliomas, ependymomas, meningiomas and schwannomas, explains the Department of Neurological Surgery at the University of Pittsburgh. There are also germ cell tumors, pineal tumors and craniopharyngiomas,...